The relationship between changes in the korean fertility rate and policies to encourage fertility von Jeong, Kyuhyoung, Yoon, Jiyeon, Cho, Heeran J, Kim, Sunghee, Jang, Jihyun

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Effects of Changes in Smoking Behavior of Older Adults’ Oral Health von Jeong, Kyuhyoung, Cho, Sunghwan, Ryu, Juhyun, Cho, Heeran J, Kim, Sunghee

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The Moderating Effect of Social Support between Loneliness and Depression: Differences between the Young-Old and the Old-Old von Son, Hyegyeong, Cho, Heeran J, Cho, Sunghwan, Ryu, Juhyun, Kim, Sunghee

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The Effects of Children's Smartphone Addiction on Sleep Duration: The Moderating Effects of Gender and Age von Yoon, Ji-Yeon, Jeong, Kyu-Hyoung, Cho, Heeran J.

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Changes in smoking behavior and influencing factors in older adults von Heeran J. Cho, Hyegyeong Son, Kyuhyoung Jeong

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Stakeholders in the medical trade: The case of South Korea's networks with China and the United States von Cho, Heeran J., Lee, Timothy J.

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The Effects of Korean Parents' Smartphone Addiction on Korean Children's Smartphone Addiction: Moderating Effects of Children's Gender and Age von Son, Hye-Gyeong, Cho, Heeran J., Jeong, Kyu-Hyoung

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Regional Suicide Rate Change Patterns in Korea von You, Byung-sun, Jeong, Kyu-hyoung, Cho, Heeran J.

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Changes in Types of Drinking Behavior in Korean Adults: Differences in Demographics, Depression, and Suicidal Thoughts von Son, Hye-Gyeong, Jeong, Kyu-Hyoung, Cho, Heeran J., Lee, Minuk

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Changes in depression and suicidal thoughts in bereaved older men: insights from a Korean study von Kyuhyoung Jeong, Sunghee Kim, Bokyung Kim, Heeran J. Cho, Daeyeon Jang

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Changes in cognitive function and influencing factors in older men von Kyuhyoung Jeong, Heeran J. Cho, Bokyung Kim, Kwahyun Kim, Sungeun Kim

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The longitudinal relationship between changes in smoking and depression in older male adults von Kyuhyoung Jeong, Hyegyeong Son, Sungeun Kim, Juhee Kim, Heeran J. Cho

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The relationship between types of depressive changes and suicidal thoughts in middle-aged Korean males von Kyuhyoung Jeong, Bokyung Kim, Sungeun Kim, Heeran J. Cho, Sunghee Kim

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